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Engineering-mechanics Questions Set 21:

Quiz Mode

The bodies that rebound after impact are called

Inelastic bodies

Elastic bodies

Solid bodies

None of the above

Solution:

What is the typical range of spring constant values used in most machine design applications?

1 to 4

8 to 10

10 to 15

2 to 7

Solution:

In the parallel axis theorem, the distance is multiplied by what?

Volume

Linear distance

None of these

The square of the distance

Solution:

Two masses, 2 kg and 8 kg, are moving with equal kinetic energy. The ratio of the magnitudes of their momentum is

0.25

0.5

0.625

Solution:

What is the radial component of velocity for a particle moving in a circular path?

Variable

Equal to the radius itself

Zero

Constant

Solution:

On which factor does the angle of inclination of a vehicle moving along a circular path not depend?

mass

friction

force

circumference

Solution:

What is the moment of inertia of a rectangular cross-section that is 5 cm wide and 2 cm deep, about the X-X axis?

3.99 cm^4

3.33 cm^4

3.66 cm^4

0 cm^4

Solution:

What is the work done by the centripetal force on a particle of mass 6 kg moving uniformly along a circle of radius 15 m at a speed of 9.5 m/s?

9 Nm

6.5 Nm

0 Nm

Infinity Nm

Solution:

A person pushes a lawn roller a distance of 35 m. The force applied is 30 kg-wt, at an angle of 60 degrees to the ground. Calculate the work done by the person. (Assume acceleration due to gravity is 10 m/s²)

5250 J

2625 J

0 J

Can't be calculated

Solution:

A concurrent force system in a plane is in equilibrium if

the sum of all the forces is zero

the algebraic sum of the forces is zero

the sum of the resolved parts of the forces in any direction is zero

the sum of the resolved parts of the forces in any two perpendicular directions is zero

Engineering-mechanics Questions Set 21:

The bodies that rebound after impact are called

Solution:

What is the typical range of spring constant values used in most machine design applications?

Solution:

In the parallel axis theorem, the distance is multiplied by what?

Solution:

Two masses, 2 kg and 8 kg, are moving with equal kinetic energy. The ratio of the magnitudes of their momentum is

Solution:

What is the radial component of velocity for a particle moving in a circular path?

Solution:

On which factor does the angle of inclination of a vehicle moving along a circular path not depend?

Solution:

What is the moment of inertia of a rectangular cross-section that is 5 cm wide and 2 cm deep, about the X-X axis?

Solution:

What is the work done by the centripetal force on a particle of mass 6 kg moving uniformly along a circle of radius 15 m at a speed of 9.5 m/s?

Solution:

A person pushes a lawn roller a distance of 35 m. The force applied is 30 kg-wt, at an angle of 60 degrees to the ground. Calculate the work done by the person. (Assume acceleration due to gravity is 10 m/s²)

Solution:

A concurrent force system in a plane is in equilibrium if

Solution:

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